Libellulidae
蜻科
🗣️ 情景例句
Yes. It's the anniversary of one of our important revolutionary movements.
是的。它是中国一个重大革命运动的纪念日。
Who laughed a while ago?
刚才谁在笑？
I hope we can see each other again some time.
希望还能有相见的机会。